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TMI
2002
113views more  TMI 2002»
15 years 6 months ago
Spatiotemporal reconstruction of list mode PET data
We describe a method for computing a continuous time estimate of tracer density using list-mode positron emission tomography data. The rate function in each voxel is modeled as an ...
Thomas E. Nichols, Jinyi Qi, Evren Asma, Richard M...
ICPP
2007
IEEE
16 years 25 days ago
Defending P2Ps from Overlay Flooding-based DDoS
A flooding-based search mechanism is often used in unstructured P2P systems. Although a flooding-based search mechanism is simple and easy to implement, it is vulnerable to overla...
Yunhao Liu, Xiaomei Liu, Chen Wang, Li Xiao
HPCC
2007
Springer
16 years 20 days ago
Performance Prediction Based Resource Selection in Grid Environments
Deploying Grid technologies by distributing an application over several machines has been widely used for scientific simulations, which have large requirements for computational r...
Peggy Lindner, Edgar Gabriel, Michael M. Resch
ICPPW
2008
IEEE
16 years 29 days ago
Performance Analysis and Optimization of Parallel Scientific Applications on CMP Cluster Systems
Chip multiprocessors (CMP) are widely used for high performance computing. Further, these CMPs are being configured in a hierarchical manner to compose a node in a cluster system....
Xingfu Wu, Valerie E. Taylor, Charles W. Lively, S...
ICC
2007
IEEE
16 years 25 days ago
Adaptive Beam Clustering Optical Wireless System for An Indoor Channel
: The separating distance between the transceivers is one of the main factors that affect the quality of the received optical signal as the receiver changes locations in an optical...
Jamal M. Alattar, Jaafar M. H. Elmirghani